Question about 2001 Nissan Altima

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Engine heat indicator flexuates, but engine

Engine heat indicator guage flexuates, but engine doesn't seem to be overheating.

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There is a coolant temperature sensor on the top engine block to measure the temperature. Either the connector is loosen or the temp sensor is bad. This sensor is bad will cause the gauge reading fluctuated. Locate the temp sensor and replace it to take care of the problem.

Posted on Dec 13, 2009

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